CN115164979A - Railway power supply insulator contamination detection device - Google Patents

Abstract

The invention provides a railway power supply insulator pollution detection device which comprises a support frame, a first insulator and a second insulator which are fixedly arranged on one side of the support frame through a first fixing seat, a pollution detector which is fixedly arranged on the other side of the support frame through a second fixing seat and internally provided with a battery and a control unit, and a second electric leakage sensor which is respectively sleeved on the outer sides of one ends of the first insulator and the second insulator. This filthy detection device of railway power supply insulator, through setting up solar cell panel to the hemisphere form, make solar cell panel can be more sufficient carry out the illumination, simultaneously through the second motor, the cooperation of bracing piece and first locating pin is used, make the device drive solar cell panel through the drive of second motor carry out the rotation in succession, and then clean the dust of attaching to solar cell panel surface through the inboard cleaning brush of holder, thereby make solar cell panel can be better carry out illumination for the stable provision electric energy of device.

Description

A railway power supply insulator pollution detection device

technical field

The invention relates to the technical field of pollution detection of railway power supply insulators, and specifically discloses a pollution detection device of railway power supply insulators.

Background technique

Insulator is a special insulation control that can play an important role in overhead transmission lines. Insulator contamination is the contaminant material with conductive properties that accumulates on the surface of the insulator. In humid weather, after the running insulator is damp, the insulation level will be reduced. If it is greatly reduced, a short circuit is formed between the insulators, and a flashover accident occurs, which affects the safety of the power system.

In the existing part, the maximum leakage current method is used to detect the contamination of insulators online. This method can more accurately detect the contamination of insulators. However, this method has high requirements on the power supply of the detection system. There is no low-voltage power supply along the railway power supply line. The combination of battery and photovoltaic power generation is used, but photovoltaic power generation is affected by light and the degree of pollution on the surface of the solar panel, which will lead to instability of power supply and reduce the reliability of the detection data of the system. It is necessary to determine the degree of contamination on the surface of the insulator, so that the circuit cannot be maintained in time.

SUMMARY OF THE INVENTION

In view of the above-mentioned defects or deficiencies in the prior art, the present application aims to provide a railway power supply insulator pollution detection device, comprising a support frame, a first insulator and a second insulator fixedly installed on one side of the support frame through a first fixing seat, A contamination detector, which is fixedly installed on the other side of the support frame with a battery and a control unit installed inside through the second fixing seat, and a second leakage sensor respectively sheathed on the outside of one end of the first insulator and the second insulator, the support frame is located on the first insulator. A transposition mechanism is fixedly installed on one side under the two fixed bases through the third fixed base, and one side of the transposition mechanism is fixedly installed between the first insulator and the first leakage sensor and between the contamination detector and the contamination detector. The connected spherical camera, the top of the contamination detector is fixedly installed with a driving mechanism, the outer side of the driving mechanism is fixedly sleeved with a hemispherical solar panel, and the outer side of the solar panel is provided with a fixed installation on the outer side of the solar panel. The cleaning mechanism on the top of the second fixed seat.

Preferably, the transposition mechanism includes a fixing rod rotatably connected inside the third fixing base and a first motor fixedly sleeved inside the third fixing base and the top of which is clamped inside the bottom end of the fixing rod, the fixing rod extending out A U-shaped frame is arranged at the outer top of the third fixing base and is fixedly connected to the spherical camera at the outer side of the support frame, and the first motor is electrically connected to the contamination detector.

Preferably, two symmetrically distributed sensors are installed on one side of the third fixing base and are electrically connected to the contamination detector.

Preferably, the cleaning mechanism includes a vertical rod disposed on the top of the second fixed seat, a fixed sleeve is movably sleeved on the outer side of the vertical rod, a holding frame is provided on one side of the fixed sleeve, and the inner side of the holding frame is A cleaning brush is provided outside the solar panel.

Preferably, the top end of the vertical rod extending out of the fixing sleeve is clamped with a buckle.

Preferably, the driving mechanism includes a support sleeve fixedly installed on the top of the contamination detector and a second motor fixed on the top of the contamination detector and located outside the support sleeve, the second motor and the contamination detector are electrically connected , the inside of the support sleeve is rotatably connected with a support rod whose bottom end is clamped to the outside of the top end of the second motor, and the inside of the top end of the support rod is fixedly connected with the solar cell panel through the first positioning pin. The middle part of the support rod is fixedly sleeved with a first conductive component through a second positioning pin, the top of the support sleeve is fixedly installed with a second conductive component located below the first conductive component, and the outer side of the support rod is movably sleeved with a second conductive component located on the outside of the support sleeve. protecting mask.

Preferably, the first conductive component includes an insulating limiting sleeve that is fixedly sleeved on the outer side of the support rod through a second positioning pin, and the bottom of the insulating limiting sleeve is respectively attached with a first arc-shaped conductive ring and a second arc-shaped conductive ring. A conductive ring, the first arc-shaped conductive ring and the second arc-shaped conductive ring are respectively fixed and installed inside the insulating limiting sleeve through the first conductive column and the second conductive column.

Preferably, the included second conductive component includes an insulating L-shaped frame and an insulating plate fixed and installed above the support sleeve by bolts, the top of the insulating plate is provided with a guide rod, and the outer side of the guide rod is movably connected with a movable sleeve The graphite brush inside the insulating L-shaped frame, the bottom of the graphite brush is connected with the top of the insulating plate through a spring sleeved on the outside of the guide rod.

Preferably, an infrared detection lens is arranged inside the spherical camera.

Beneficial effects:

1. In this railway power supply insulator contamination detection device, by setting the solar panel in a hemispherical shape, the solar panel can be more adequately illuminated, and at the same time, through the cooperation of the second motor, the support rod and the first positioning pin, the The device can drive the solar panel to rotate continuously through the driving of the second motor, and then clean the dust attached to the surface of the solar panel through the cleaning brush inside the cage, so that the solar panel can be better illuminated and the device is stable. of supplying electricity.

2. The railway power supply insulator contamination detection device can collect the surface image of the insulator through a spherical camera, and then accurately determine the degree of contamination on the surface of the insulator, and transmit the information to the railway supervision system through the contamination detector to maintain the circuit in time. .

3. The railway power supply insulator contamination detection device is used in conjunction with the first arc-shaped conductive ring, the second arc-shaped conductive ring and the graphite brush, so that the power supply line in the device is always connected during the rotation of the solar panel, and then It is ensured that the lines in the device will not be entangled and the lines will be disconnected, so that the solar panels can stably charge the batteries inside the contamination detector.

Description of drawings

Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the side schematic diagram of the cleaning mechanism of the present invention;

Fig. 3 is the schematic diagram of the drive mechanism of the present invention;

4 is a schematic diagram of the first conductive component of the present invention;

Fig. 5 is the top view schematic diagram of the transposition mechanism of the present invention;

FIG. 6 is a schematic diagram of the position distribution of the spherical camera of the present invention.

In the figure: 1. Support frame; 2. The first fixed seat; 3. The first insulator; 4. The second insulator; 5. The second fixed seat; 6. The pollution detector; 7. The first leakage sensor; 8. The first Two leakage sensor; 9, the third fixed seat; 10, transposition mechanism; 101, fixed rod; 102, the first motor; 103, U-shaped frame; 11, spherical camera; 12, driving mechanism; 121, support sleeve; 122 123, the support rod; 124, the first positioning pin; 125, the second positioning pin; 126, the first conductive component; 1261, the insulating limit sleeve; 1262, the first arc conductive ring; Two arc conductive rings; 1264, the first conductive column; 1265, the second conductive column; 127, the second conductive component; 1271, the bolt; 1272, the insulating L-shaped frame; 1273, the insulating plate; 1274, the guide rod; 1275, Graphite brush; 1276, spring; 128, protective cover; 13, solar panel; 14, cleaning mechanism; 141, pole; 142, fixed sleeve; 143, cage; 144, cleaning brush.

Detailed ways

The present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the related invention, but not to limit the invention. In addition, it should be noted that, for the convenience of description, only the parts related to the invention are shown in the drawings.

The accompanying drawings in the embodiments of the present invention: the different types of section lines in the drawings are not marked according to the national standard, nor do they require the material of the components, but distinguish the cross-sectional views of the components in the drawings.

Please refer to Figures 1-6, a railway power supply insulator pollution detection device, comprising a support frame 1, a first insulator 3 and a second insulator 4 fixedly installed on one side of the support frame 1 through a first fixing seat 2, The seat 5 is fixedly installed on the other side of the support frame 1 and has a contamination detector 6 with a battery and a control unit installed inside, and is sleeved on the outside of one end of the first insulator 3 and the second insulator 4 respectively and is connected to the control inside the contamination detector 6 The second leakage sensor 8, the side of the support frame 1 located below the second fixed seat 5 is fixedly installed with the transposition mechanism 10 through the third fixed seat 9, and one side of the transposition mechanism 10 is fixedly installed with the first insulator 3 and the The spherical camera 11 is electrically connected between the first leakage sensors 7 and the contamination detector 6. The top of the contamination detector 6 is fixedly installed with a driving mechanism 12, and the outer side of the driving mechanism 12 is fixedly sleeved with a hemispherical contour. By setting the solar cell panel 13 in a hemispherical shape, when the first insulator 3 and the second insulator 4 are cleaned, the cleaning liquid will slide down along the spherical surface of the solar cell panel 13 to avoid cleaning The liquid collects on the surface of the solar cell panel 13, and at the same time, the second fixing seat 5 can block the cleaning liquid, so as to avoid excessive spraying of the cleaning liquid on the surface of the solar cell panel 13. The cleaning mechanism 14 on the top of the two fixing bases 5 .

Wherein, the shifting mechanism 10 includes a fixing rod 101 rotatably connected inside the third fixing base 9 and a first motor 102 which is fixedly sleeved inside the third fixing base 9 and whose top is clamped inside the bottom end of the fixing rod 101. The fixing rod 101 A U-shaped frame 103 that is located outside the support frame 1 and is fixedly connected to the spherical camera 11 is provided at the top end extending out of the third fixing base 9 , and the first motor 102 is electrically connected to the contamination detector 6 by fixing The rod 101, the first motor 102 and the U-shaped frame 103 are used together, so that the device can control the first motor 102 to drive through the contamination detector 6, and then switch the position of the spherical camera 11 to avoid the first insulator 3 and the second insulator. 4. When cleaning, the waste liquid after cleaning is sprayed on the lens surface of the spherical camera 11, which hinders image acquisition.

Among them, two symmetrically distributed sensors are installed on one side of the third fixing base 9 and electrically connected to the contamination detector 6 . The sensors are used to confirm the switching position of the spherical camera 11 .

The cleaning mechanism 14 includes a vertical rod 141 arranged on the top of the second fixed seat 5 , a fixed sleeve 142 is movably sleeved on the outer side of the vertical rod 141 , a holder 143 is arranged on one side of the fixed sleeve 142 , and the inner side of the holder 143 is arranged There is a cleaning brush 144 located outside the solar panel 13 .

The top end of the vertical rod 141 extending from the outside of the fixing sleeve 142 is clamped with a buckle, and the fixing sleeve 142 can be easily installed and disassembled by using the buckle.

The drive mechanism 12 includes a support sleeve 121 fixedly installed on the top of the contamination detector 6 and a second motor 122 fixed on the top of the contamination detector 6 and located outside the support sleeve 121 , between the second motor 122 and the contamination detector 6 For electrical connection, the inside of the support sleeve 121 is rotatably connected with a support rod 123 whose bottom end is clamped on the outer side of the top of the second motor 122, and the inside of the top of the support rod 123 is fixedly connected to the solar cell panel 13 through the first positioning pin 124. , the middle of the support rod 123 is fixedly fitted with a first conductive component 126 through the second positioning pin 125, the top of the support rod 121 is fixedly installed with a second conductive component 127 located below the first conductive component 126, and the outer side of the support rod 123 is movably fitted There is a protective cover 128 on the outside of the support sleeve 121 .

The first conductive component 126 includes an insulating limiting sleeve 1261 fixedly sleeved on the outer side of the support rod 123 through the second positioning pin 125. The bottom of the insulating limiting sleeve 1261 is respectively attached with a first arc-shaped conductive ring 1262 and a second arc The first arc-shaped conductive ring 1263 and the first arc-shaped conductive ring 1262 and the second arc-shaped conductive ring 1263 are fixedly installed inside the insulating limiting sleeve 1261 through the first conductive column 1264 and the second conductive column 1265 respectively.

The included second conductive component 127 includes an insulating L-shaped frame 1272 and an insulating plate 1273 fixed and installed above the support sleeve 121 by bolts 1271. A guide rod 1274 is provided on the top of the insulating plate 1273, and the outer side of the guide rod 1274 is movably sleeved There is a graphite brush 1275 which is movably sheathed inside the insulating L-shaped frame 1272. The graphite brush 1275 can be used for electrical connection with the battery inside the contamination detector 6, so as to transmit the electric energy of the solar panel 13 to the battery for storage. The bottom of the 1275 is connected to the top of the insulating plate 1273 through a spring 1276 sleeved on the outside of the guide rod 1274, and the device can be electrically connected between the first conductive column 1264 and the second conductive column 1265 and the solar cell panel 13. Connection, the use of the spring 1276 can ensure that the first arc-shaped conductive ring 1262 and the second arc-shaped conductive ring 1263 are always in contact with the first arc-shaped conductive ring 1262 and the second arc-shaped conductive ring 1263 during the rotation process. The bottom of the 1263 contacts, thereby ensuring the conduction of the circuit.

The spherical camera 11 is provided with an infrared detection lens inside, and the infrared detection lens enables the spherical camera 11 to clearly capture images of the surface contamination of the first insulator 3 and the second insulator 4 even at night.

When cleaning the surface of the solar cell panel 13, the second motor 122 is activated by the contamination detector 6, and driven by the second motor 122, the support rod 123 and the solar cell panel 13 are driven to rotate synchronously. The cleaning brush 144 on the inner side of the holder 143 cleans the dirt on the surface of the solar panel 13, and at the same time, the circuit of the solar panel 13 is always in a conducting state during the rotation process, which will not affect the solar panel 13 to supply power to the device. Charge;

When the image is collected, the spherical camera 11 is driven by the contamination detector 6 to collect images of the surface contamination of the first insulator 3 and the second insulator 4, and the information is transmitted to the railway supervision system through the contamination detector 6 for timely notification. Personnel maintains the circuit, and the content not described in detail in this specification belongs to the prior art known to those skilled in the art.

It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

The above description is only a preferred embodiment of the present application and an illustration of the applied technical principles. Those skilled in the art should understand that the scope of the invention involved in this application is not limited to the technical solution formed by the specific combination of the above-mentioned technical features, and should also cover the above-mentioned technical features without departing from the inventive concept. Other technical solutions formed by any combination of its equivalent features. For example, a technical solution is formed by replacing the above-mentioned features with the technical features disclosed in this application (but not limited to) with similar functions.

Claims (9)

1. The utility model provides a filthy detection device of railway power supply insulator, includes support frame (1), install first insulator (3) and second insulator (4) in support frame (1) one side through first fixing base (2), install filthy detector (6) and second electric leakage sensor (8) of suit in first insulator (3) and second insulator (4) one end outside at support frame (1) opposite side and internally mounted battery and the control unit through second fixing base (5), its characterized in that: the utility model discloses a dirty detector, including support frame (1), first insulator (3) and first electric leakage sensor (7), conversion mechanism (10) are installed through third fixing base (9) to one side that support frame (1) is located second fixing base (5) below, conversion mechanism (10) are installed to one side of conversion mechanism (10), be located between first insulator (3) and first electric leakage sensor (7) and with dirty detector (6) between carry out electric connection spherical camera (11), actuating mechanism (12) are installed at the top of dirty detector (6), the outside cover of actuating mechanism (12) is equipped with solar cell panel (13) that the profile is provided with the hemisphere form, the outside of solar cell panel (13) is provided with installs clean mechanism (14) at second fixing base (5) top.

2. The filth detection device of a railway power supply insulator according to claim 1, characterized in that: the transposition mechanism (10) comprises a fixed rod (101) which is rotatably connected inside the third fixed seat (9) and a first motor (102) which is sleeved inside the third fixed seat (9) and is clamped at the inner side of the bottom end of the fixed rod (101), wherein the top end of the fixed rod (101) extending out of the third fixed seat (9) is provided with a U-shaped frame (103) which is positioned outside the support frame (1) and is fixedly connected with the spherical camera (11), and the first motor (102) is electrically connected with the pollution detector (6).

3. The filth detection device of a railway power supply insulator according to claim 2, characterized in that: and two sensors which are symmetrically distributed and electrically connected with the pollution detector (6) are arranged on one side of the third fixing seat (9).

4. The filth detection device for the railway power supply insulator according to claim 1, wherein: clean mechanism (14) is including setting up pole setting (141) at second fixing base (5) top, fixed cover (142) have been cup jointed in the outside of pole setting (141), one side of fixed cover (142) is provided with holder (143), the inboard of holder (143) is provided with cleaning brush (144) that are located the solar cell panel (13) outside.

5. The filth detection device of the railway power supply insulator according to claim 4, characterized in that: the top end of the upright rod (141) extending out of the fixing sleeve (142) is clamped with a buckle.

6. The filth detection device for the railway power supply insulator according to claim 1, wherein: drive mechanism (12) including install support cover (121) at filthy detector (6) top and install second motor (122) that just is located support cover (121) outside at filthy detector (6) top, be connected electrically between second motor (122) and filthy detector (6), the inside rotation of support cover (121) is connected with bottom joint bracing piece (123) in second motor (122) top outside, the inside on bracing piece (123) top is connected through being connected between first locating pin (124) and solar cell panel (13), the middle part of bracing piece (123) is equipped with first conductive component (126) through second locating pin (125) cover, the second conductive component (127) that are located first conductive component (126) below are installed at the top of support cover (121), the outside cover of bracing piece (123) is equipped with protection casing (128) that are located the support cover (121) outside.

7. The filth detection device of a railway power supply insulator according to claim 6, characterized in that: the first conductive assembly (126) comprises an insulating limiting sleeve (1261) which is sleeved on the outer side of the supporting rod (123) through a second positioning pin (125), a first arc-shaped conductive ring (1262) and a second arc-shaped conductive ring (1263) are respectively attached to the bottom of the insulating limiting sleeve (1261), and the first arc-shaped conductive ring (1262) and the second arc-shaped conductive ring (1263) are respectively installed inside the insulating limiting sleeve (1261) through a first conductive post (1264) and a second conductive post (1265).

8. The filth detection device of a railway power supply insulator according to claim 6, characterized in that: the second conductive assembly (127) comprises an insulating L-shaped frame (1272) and an insulating plate (1273), wherein the insulating L-shaped frame and the insulating plate (1273) are mounted above a supporting sleeve (121) through bolts (1271), a guide rod (1274) is arranged at the top of the insulating plate (1273), a graphite brush (1275) sleeved inside the insulating L-shaped frame (1272) is sleeved on the outer side of the guide rod (1274), and the bottom of the graphite brush (1275) is in transmission connection with the top of the insulating plate (1273) through a spring (1276) sleeved on the outer side of the guide rod (1274).

9. The filth detection device of the railway power supply insulator according to claim 6, characterized in that: an infrared detection lens is arranged inside the spherical camera (11).

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